20120728 (number)

20120728 is an even 8-digits composite number following 20120727 and preceding 20120729. In scientific notation, it is written as 2.0120728 × 10^7. The sum of its digits is 22. It has a total of 5 prime factors and 16 positive divisors. There are 9895200 positive integers (up to 20120728) that are relatively prime to 20120728.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand seven hundred twenty-eight

Notation

Scientific notation 2.0120728 × 10^7
Engineering notation 2.0120728 × 10^6

Prime Factorization of 20120728

Prime Factorization 2 × 2 × 2 × 61 × 41231

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5030182
Product of the distinct prime numbers

The prime factorization of 20120728 is 2 × 2 × 2 × 61 × 41231. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 1, 36, 76, 384, 181, 9328, 5682, 6160, 94721, 798403, 840721, 5960709, 7685509, 70337174, 36542520, 768479258, 73388929, 4936782167, 3421562037

Basic calculations (n = 20120728)

Multiplication

n×y
n×2 40241456
n×3 60362184
n×4 80482912
n×5 100603640

Division

n÷y
n÷2 10060364
n÷3 6706909.3333333
n÷3 5030182
n÷5 4024145.6

Exponentiation

ny
n2 404843695249984
n3 8.1457498746398E+21
n4 1.6389841758366E+29
n5 3.2977554798313E+36

Nth Root

y√n
2√n 4485.6134474562
3√n 271.98684336593
4√n 66.974722451506
5√n 28.8887491655

Divisors of 20120728

1, 2, 4, 8, 61, 122, 244, 488, 41231, 82462, 164924, 329848, 2515091, 5030182, 10060364, 20120728

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120728 can be divided by 16 positive divisors. The sum of these divisors (counting 20120728) is 1, the average is 0.0625.

Base conversion 20120728

Base System Value
2 Binary 1001100110000010010011000
3 Ternary 1101212020110011
4 Quaternary 1030300102120
5 Quinary 20122330403
6 Senary 1555131304
8 Octal 114602230
10 Decimal 20120728
12 Duodecimal 68a3b34
16 Hexadecimal 1330498
20 Vigesimal 65f1g8
36 Base36 bz994

Cryptographic Hash Functions

md5 6063ac25bb7c5f670c11fac368321247
sha1 cd5c7053c9ce41ac5fcb1eb728e47bb83f034c9e
sha256 10ddc13c3c14840fe8a1d87a85d46e65cb68606bc2db57f18a992cb93c72e4b0
sha512 447d4740d6bdb91fa43844a1e8dfae45c00bd8388330f866700924d52d5ec921ad168645803dbe121110e0b8f63da7b936d54ca3390a3d919a7fcfb217e10742
ripemd-160 342e2064b5a11d0adf7681a907804b43a08c808f

20120728 as geometric shapes

Circle

Radius = n
Diameter 40241456
Circumference 126422262.53936
Area 1.2718539788495E+15

Sphere

Radius = n
Volume 3.4120837285531E+22
Surface area 5.087415915398E+15
Circumference 126422262.53936

Square

Length = n
Perimeter 80482912
Area 404843695249984
Diagonal 28455006.42242

Cube

Length = n
Surface area 2429062171499904
Volume 8.1457498746398E+21
Space diagonal 34850123.181274

Equilateral Triangle

Length = n
Perimeter 60362184
Area 1.7530246232423E+14
Altitude 17425061.590637

Triangular Pyramid

Length = n
Surface area 1.7530246232423E+14
Volume 9.5998582903455E+20
Height 9485002.1408067